4 years ago

What happens when a sound source is moving?

1 answer:

7 0

Explanation:

It stretched or compresses the sound waves it is producing if it is relatively moving away to getting closer respectively. This is called the <u>Doppler shift effect</u>..

This is why when a wailing ambulance approached you, the pitch of its wailing is high but when it passes you and moves away from you the pitch of the wailing lowers. Remember this is happening relative to your position.

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Tasya [4]

Answer:

I think it is the atomic mass, or the atomic weight.

Explanation:

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom.

(I'm so sorry if I'm wrong)

Hope this Helps!

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3 years ago

Which of the following is a nutriental risk factor for older adults?

Klio2033 [76]

The following answer is A

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3 years ago

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